Client and backend. Every class listed here is shared: the same code is compiled into your app and into your server.

package com.codename1.crypto.encoding

Text and binary encodings used by blockchain and wallet code: hexadecimal, Base58 and Base58Check, Bech32 and Bech32m with SegWit addresses, and Ethereum’s Recursive Length Prefix serialization.

Types

class Base58Base58 encoding with the Bitcoin alphabet.
class Base58CheckBase58Check: Base58 text of a payload followed by the first four bytes of its double SHA-256 digest.
class Base64Standard Base64 (RFC 4648) with padding: the text form of PSBTs and Solana transactions.
class Bech32Bech32 (BIP-173) and Bech32m (BIP-350) encoding, bit regrouping and the SegWit address helpers built on them.
class HexHexadecimal encoding and decoding.
class JsonA small JSON reader and writer shared by the device and the server, for the JSON-RPC framing and EIP-712 documents the crypto packages exchange.
class RlpRecursive Length Prefix encoding as used by Ethereum.